<script lang="ts" setup>
//defineProps(['id', 'name', 'age'])
defineProps({
  id: Number,
  name: String,
  age: Number,
})
</script>

<template>
  <h3>{{ id === null ? '' : id }} Hello,{{ name }}，年龄：{{ age }}岁</h3>
</template>

<style lang="scss" scoped>

</style>
